stan/jdk-24
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

8253440: serviceability/sa/TestJhsdbJstackLineNumbers.java failed with "Didn't find enough line numbers"

Browse Source 
Reviewed-by: kevinw, lmesnik
This commit is contained in:
Chris Plummer 2024-11-19 18:58:00 +00:00
parent 93e889b48c
commit 0b1f57105d
1 changed files with 8 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
test/hotspot/jtreg/serviceability/sa/TestJhsdbJstackLineNumbers.java
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2020, 2021, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2020, 2024, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -35,6 +35,7 @@ import jdk.test.lib.SA.SATestUtils;
/**
* @test
* @bug 8214226 8243500
* @requires vm.hasSA
* @requires os.arch=="amd64" | os.arch=="x86_64"
* @requires os.family=="windows" | os.family == "linux" | os.family == "mac"
@ -53,7 +54,7 @@ import jdk.test.lib.SA.SATestUtils;
*
* The test works by spawning a process that sits in a 10 line loop in the busywork() method,
* all while the main test does repeated jstacks on the process. The expectation is
* that at least 5 of the lines in the busywork() loop will eventually show up in at
* that at least 4 of the lines in the busywork() loop will eventually show up in at
* least one of the jstack runs.
*/
@ -94,8 +95,11 @@ class LingeredAppWithBusyWork extends LingeredApp {
public class TestJhsdbJstackLineNumbers {
// This is the number of lines in the busywork main loop
static final int TOTAL_BUSYWORK_LOOP_LINES = 10;
// The minimum number of lines that we must at some point see in the jstack output
static final int MIN_BUSYWORK_LOOP_LINES = 5;
// The minimum number of lines that we must see at some point in the jstack output.
// There's always a chance we could see fewer, but the chances are so low that
// it is unlikely to ever happen. We can always decrease the odds by lowering
// the required number of lines or increasing the number of jstack runs.
static final int MIN_BUSYWORK_LOOP_LINES = 4;
static final int MAX_NUMBER_OF_JSTACK_RUNS = 25;